3. Unit Circle
Common Values of Sine, Cosine, & Tangent
3. Unit Circle
Common Values of Sine, Cosine, & Tangent
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- Textbook Question
Use the unit circle shown to find the value of the trigonometric function.
cos 𝜋/6
391views - Textbook Question
Use the unit circle shown to find the value of the trigonometric function.
sin (2𝜋/3)
409views - Textbook Question
Use the unit circle shown to find the value of the trigonometric function.
tan 11𝜋/6
573views - Textbook Question
The unit circle has been divided into twelve equal arcs, corresponding to t-values of
0, 𝜋/6, 𝜋/3, 𝜋/2, 2𝜋/3, 5𝜋/6, 𝜋, 7𝜋/6, 4𝜋/3, 3𝜋/2, 5𝜋/3, 11𝜋/6, and 2𝜋
Use the (x,y) coordinates in the figure to find the value of each trigonometric function at the indicated real number, t, or state that the expression is undefined.
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sin 3𝜋/2
421views - Multiple Choice
What is the exact value of ?
4views - Multiple Choice
What is the exact value of ?
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